Answer: D
It allowed sailors to know their direction.
Explanation: its obviously not any of the others and compasses tell direction
most of our history
cultures
Every state was given equal representation
Chapultepec, Battle of, and Capture of Mexico City (1847<span>).By </span>12 September 1847<span>, the Mexican War was almost over; the Americans had been victorious in every major engagement, New Mexico had surrendered, U.S. forces had subdued Upper California, and Maj. Gen. Winfield Scott and 7,000 U.S. troops were camped outside </span>